The Collaborative International Dictionary of English v.0.48:

dactylar \dac"tyl*ar\ (d[a^]k"t[i^]l*[~e]r), a.
   1. Pertaining to dactyl; dactylic.
      [1913 Webster]

   2. (Zool.) Of or pertaining to a finger or toe, or to the
      claw of an insect crustacean.
      [1913 Webster]